Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
2000-01-06
2000-05-16
Smith, Scott A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
B25C 511
Patent
active
060624574
ABSTRACT:
A stapler includes a base with a magazine and an arm respectively connected to the base. A positioning plate is received in the magazine and a first spring connected between the positioning plate and the magazine. A pusher is slidably engaged with the positioning plate and a connection plate is connected to the pusher. The connection plate is slidably connected between the arm and the magazine. A protrusion extends from the magazine and a positioning hook extends from the positioning plate so that a second spring has one end connected to the pusher and the second spring goes around the protrusion on the magazine, and the other end of the second spring is engaged with the positioning hook. The second spring will not be exposed when loading staples and the second spring does not occupy the space of the magazine.
REFERENCES:
patent: 2097865 (1937-11-01), Stockel
patent: 2147380 (1939-02-01), Peterson
patent: 2723392 (1955-11-01), Cole
patent: 2922163 (1960-01-01), Smick
patent: 3099011 (1963-07-01), Wandel
patent: 5421502 (1995-06-01), Huang
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